Food sharing can be defined as a resource owner allowing a conspecific to consume part of a food item originally acquired by this owner, although the latter could defend this resource (Hadjichrysanthou & Broom, 2012; Stevens & Gilby, 2004). This behavior has been widely documented in a range of species, including insects (Boggs, 1995) and birds (Elgar, 1986; Heinrich, 1988), but has been more frequently documented in mammals, including the common vampire bat (Desmodus rotundus; Carter & Wilkinson, 2013) and primates (De Waal, 1989; Goodall, 1986; Ruiz-Miranda et al., 1999). Documentation of food sharing has been rare in cetaceans as this behavior (and feeding in general) can be inconspicuous to boat-based observers. Most reports are anecdotes from both captive and wild delphinids (Connor &
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